For underfloor protection in a no-nailing system 2x4 Underfloor Sheathing Protection Sheet, Fukubi Chemical Industry Easy Coat RE30, New Width 1m x Length 30m x Thickness 0.12mm Set of 4 *Please note that the outer boxes and bags may have some dirt, scratches, or tears due to storage in the warehouse. We appreciate your understanding. *Please refrain from price negotiations or requests for individual sales. *Immediate purchase is available.